import java.util.Scanner;

public class Chaoshigouwu {
    public static void main(String[] args) {
        double toothbrush=8.8;
        double towel=10.0;
        double cup = 18.8;
        double apple=12.5;
        double banana=15.5;
        int i = 0;
        String a ="Y";
        System.out.println("--------------------黑马小商城---------------------");
        System.out.println("1.牙刷的价格为："+toothbrush+"元");
        System.out.println("2.毛巾的价格："+towel+"元");
        System.out.println("3.水杯的价格为："+cup+"yuan");
        System.out.println("4.苹果的价格为："+apple+"元");
        System.out.println("5.香蕉的价格为："+banana+"元");
        while (a.equals("Y")) {
            Scanner scl = new Scanner(System.in);
            System.out.println("请输入你需要购买善品的序列号");
            i = scl.nextInt();
            switch (i){
                case 1:
                    System.out.println("请输入你需要购买牙刷的数量：");
                    int toothbrushnumber = scl.nextInt();
                    double toothbrushnum = toothbrushnumber*toothbrush;
                    System.out.println("你购买了牙刷"+toothbrushnumber+"支，需要花费 "+toothbrushnum+"元");
                    System.out.println("需要继续购买请输Y，否则输入N");
                    a = scl.next();
                    break;
                case 2:
                    System.out.println("请输入你需要购买毛巾的数量：");
                    int towelnumber = scl.nextInt();
                    double towelnum = towelnumber*towel;
                    System.out.println("你购买了毛巾"+towelnumber+"个，需要花费 "+towelnum+"元");
                    System.out.println("需要继续购买请输Y，否则输入N");
                    a = scl.next();
                    break;
                case  3:
                    System.out.println("请输入你需要购买水杯的数量：");
                    int cupnumber = scl.nextInt();
                    double cupnum = cupnumber*cup;
                    System.out.println("你购买了水杯"+cupnumber+"个，需要花费 "+cupnum+"元");
                    System.out.println("需要继续购买请输Y，否则输入N");
                    a = scl.next();
                    break;
                case  4:
                    System.out.println("请输入你需要购买苹果的数量：");
                    int applenumber = scl.nextInt();
                    double applenum = applenumber*apple;
                    System.out.println("你购买了苹果"+applenumber+"斤，需要花费 "+applenum+"元");
                    System.out.println("需要继续购买请输Y，否则输入N");
                    a = scl.next();
                    break;
                case  5:
                    System.out.println("请输入你需要购买水杯的数量：");
                    int banananumber = scl.nextInt();
                    double banananum = banananumber*cup;
                    System.out.println("你购买了香蕉"+banananumber+"斤，需要花费 "+banananum+"元");
                    System.out.println("需要继续购买请输Y，否则输入N");
                    a = scl.next();
                    break;
            }
        }
        System.out.println("期待您的下次光临！");
    }
}
